
The AI workspace where teams and agents get work done together
Consensus records 6,014,388 monthly visits with -1.2% month-over-month growth and Freemium pricing. HydraDB OSS records 29,635 monthly visits with +5.8% growth and Freemium, Contact for Pricing pricing.

Graph database built on object storage for agent memory and context
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | consensus.app | hydradb.com |
| Pricing Model | Freemium | Freemium, Contact for Pricing |
| Monthly Visits | 6.01M (6,014,388) | 29.64K (29,635) |
| MoM Traffic Delta | -71.39K (-1.2%) | +1.61K (+5.8%) |
| Primary Market & Share | 🇺🇸 United States (12.8%) | 🇮🇳 India (65%) |
| Direct Visits / mo | 2.92M | 17.15K |
| User Rating | 4.7 | 4.4 |
| Supported Platforms | Website | Website |

AI academic search engine for peer-reviewed science
Ask a research question in plain language and get answers synthesized from peer-reviewed studies, with each claim linked to its source paper.
A visual summary shows how the scientific literature leans on a yes/no question, indicating agreement, disagreement or mixed evidence.
Narrow results by study design, sample size, journal quality, publication year and more to prioritize high-quality evidence.
Aggregate findings across many studies into structured summaries that map what is known and where the gaps are.

Graph database built on object storage for agent memory and context
Graph, WAL, value, and index data all live in S3-compatible storage with a hot/warm/cold tiering strategy, cutting infrastructure cost dramatically versus memory-resident graph databases.
One query can traverse graph relationships and run vector, BM25, and reranked search together, so agents do not have to orchestrate four separate systems.
Every change is tracked, letting agents recall what happened, when, and in what sequence, which supports auditability and long-running agent workflows.
OpenCypher over Bolt plus an HTTP API and SDKs make it approachable for teams already familiar with property graphs.

The AI workspace where teams and agents get work done together
SpecialistCovers general web sources alongside academic papers, but lacks specialized scientific synthesis metrics and consensus ratings.
SpecialistCovers general web sources alongside academic papers, but lacks specialized scientific synthesis metrics and consensus ratings.

Free / Open-sourceCompletely free access to a massive scholarly index, but offers less automated natural-language evidence synthesis than Consensus.
Free / Open-sourceCompletely free access to a massive scholarly index, but offers less automated natural-language evidence synthesis than Consensus.

SpecialistA paid, ad-free search engine that answers to its users
SpecialistA paid, ad-free search engine that answers to its users

Provides deeper PDF reading and interactive literature analysis tools, but is less focused on quick evidence aggregation.
Provides deeper PDF reading and interactive literature analysis tools, but is less focused on quick evidence aggregation.
Performs advanced systematic review data extraction and evidence synthesis, but has a more complex interface than Consensus.
Performs advanced systematic review data extraction and evidence synthesis, but has a more complex interface than Consensus.
SpecialistThe AI workspace where researchers read, write, and cite with every claim traceable to its source
SpecialistThe AI workspace where researchers read, write, and cite with every claim traceable to its source
SpecialistAI-assisted systematic review software for screening, extraction, and evidence synthesis at scale
SpecialistAI-assisted systematic review software for screening, extraction, and evidence synthesis at scale
Tracks how papers are cited with Smart Citations to gauge reliability, but features a less direct Q&A synthesis.
Tracks how papers are cited with Smart Citations to gauge reliability, but features a less direct Q&A synthesis.

SpecialistExcellent for visual citation mapping and literature discovery, but lacks automated paper Q&A and evidence synthesis.
SpecialistExcellent for visual citation mapping and literature discovery, but lacks automated paper Q&A and evidence synthesis.
SpecialistVisualizes research connections through interactive graphs for literature discovery, but does not provide direct Q&A synthesis.
SpecialistVisualizes research connections through interactive graphs for literature discovery, but does not provide direct Q&A synthesis.
Includes integrated reference management and systematic review tools, but has a narrower academic database coverage.
Includes integrated reference management and systematic review tools, but has a narrower academic database coverage.